lesson 2 The Rock Cycle

Question 1

a naturally occurring solid mixture of one or more minerals or organic matters.

Answer 1

Rock

Question 2

the series of processes in which a rock forms, changes from one type to another, is destroyed, and forms again by geological processes.

Answer 2

Rock cycle

Question 3

the process by which wind, water ice, or gravity imports soil and sediment from one location to another.

Answer 3

erosion

Question 4

the process in which material is laid down

Answer 4

deposition

Question 5

Grains of sand and other sediment are eroded from hills and mountains and wash down a river to the ocean

Answer 5

sedimentary rock

Question 6

When large pieces of the earth’s crust collide, some of the rock is forced downward.

Answer 6

metamorphic rock

Question 7

The hot liquid that forms when rock partially or completely melts

Answer 7

magma

Question 8

Magma is usually less dense than the surrounding rocks, so magma tends to rise to higher levels of the earth’s crust. Once there, the magma cools and solidifies to become

Answer 8

igneous rock

Question 9

Uplift and erosion expose the igneous rock at the earth’s surface.

Answer 9

sediment

Question 10

The process in which water, wind, ice, and heat break down rock

Answer 10

weathering

Question 11

The chemical makeup of a rock; describes either the minerals or other materials in a rock.

Answer 11

composition

Question 12

Some igneous rocks form when magma cools deep beneath the earth’s surface.

Answer 12

beneath

Question 13

All igneous rocks forms when magma cools and solidifies

Answer 13

solidifies

Question 14

The quality of a rock that is based on the sizes, shapes, and positions of the rock’s grains.

Answer 14

texture